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CTEK D250SE, 20A, 12V Battery Charger For Starter And Service Batteries In RV, Truck And Overlanding Vehicles, Solar Battery Maintainer, 12V Lithium Ion Battery Charger And Smart Alternator Compatible

  • Based on 95 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Jul 11
Order within 12 hours and 1 minute
Available payment plans shown during checkout

Features

  • Battery Support On the Go: The D250SE is a fully automatic, 5 step charger that supplies up to 20A of power to any 12V lead-acid
  • Achieve Nominal Power from Your Solar Output: Solar Panel Regulator with Maximum Power Point Tracking (MPPT) optimizes available power.
  • Charge Service and Starter Batteries: When the service battery is fully charged, the D250SE will automatically redirect maintenance charge power to the starter battery.
  • Smart Alternator Compatible: Full functionality with all types of alternators.
  • Built-In Temperature Sensor: Allows you to achieve maximum charge levels no matter what the temperature.
  • Safe and Easy to Use: Splash and dustproof, designed to protect vehicle electronics and non-sparking, reverse polarity protected, and short-circuit proof. Clean voltage and current delivery ensures no surges or spikes.
  • Protects Sensitive Equipment: Unlike less-sophisticated chargers, there is no need to disconnect the battery; the D250SE is specially designed to not damage electronic systems. No overcharge or undercharge ever.
  • 2 year warranty

Description

The D250SE is a fully automatic, 5 step charger that supplies up to 20A of power to any 12V lead-acid or lithium service battery from 40–300Ah. It has selectable charge algorithms for AGM and lithium batteries and can use power through its dual input from alternator, solar panel and wind power. When the service battery is fully charged, the D250SE will automatically redirect maintenance charge power to the starter battery. The D250SE can maintain a stable output up to 20A to vehicles fitted with smart ECU controlled alternators and also has a temperature sensor for optimised charging, regardless of weather conditions. 12 V: WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO4, ) 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)


Manufacturer: ‎CTEK


Brand: ‎CTEK


Model: ‎CTEK D250SE (40-315), DUAL INPUT 20A CHARGER WITH SELECTABLE CHARGE VOLTAGES


Item Weight: ‎1.54 pounds


Product Dimensions: ‎7.6 x 4.3 x 2.6 inches


Country of Origin: ‎China


Item model number: ‎40-315


Batteries: ‎1 Unknown batteries required.


Exterior: ‎Machined


Manufacturer Part Number: ‎40-315


OEM Part Number: ‎40-315


Voltage: ‎20 Volts


Date First Available: March 2, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jul 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Works as advertised.
Easy to understand how to install. This charge controller is versatile. AGM or Lithium setup.
Reviewed in the United States on December 9, 2021 by W. Johnson

  • Replaced one but didn't work again, frustrate wasting money
2nd battery charger. Already replaced once but didn't work again don't buy wasting money
Reviewed in the United States on June 22, 2022 by James

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